JP4837898B2 - 磁気共鳴映像のためのコイル構造 - Google Patents
磁気共鳴映像のためのコイル構造 Download PDFInfo
- Publication number
- JP4837898B2 JP4837898B2 JP2004109559A JP2004109559A JP4837898B2 JP 4837898 B2 JP4837898 B2 JP 4837898B2 JP 2004109559 A JP2004109559 A JP 2004109559A JP 2004109559 A JP2004109559 A JP 2004109559A JP 4837898 B2 JP4837898 B2 JP 4837898B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- layer
- coils
- windings
- shim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002595 magnetic resonance imaging Methods 0.000 title description 3
- 238000004804 winding Methods 0.000 claims description 24
- 239000011810 insulating material Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding layers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/387—Compensation of inhomogeneities
- G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/06—Insulation of windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Description
11 層
12 層
15 巻き線
16 ガラス布(絶縁材)
20 分割コイル
21 分割コイル
Claims (3)
- 複数のコイルパックを含むMRIS装置用のシムコイルであって、各コイルパックのコイルが複数の層を含み、各層が所定の数の巻き線を有し、各コイルパックのコイルが区分された2つ以上の部分からなるように巻かれていて、その各部分がそれぞれのコイルパックの前記所定の巻き数より少ない巻き線を有する層を有し、各コイルパックのコイルは、各コイル部分が一層ずつ巻かれてそれぞれの部分を形成するように巻かれていることを特徴とするシムコイル。
- 絶縁材が各層の巻き線の間に配置されていることを特徴とする請求項1に記載のシムコイル。
- 前記絶縁材がガラス布であることを特徴とする請求項2に記載のシムコイル。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0307728.6A GB0307728D0 (en) | 2003-04-03 | 2003-04-03 | Coil structure for magnetic resonance imaging |
GB0307728.6 | 2003-04-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005028107A JP2005028107A (ja) | 2005-02-03 |
JP4837898B2 true JP4837898B2 (ja) | 2011-12-14 |
Family
ID=9956131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004109559A Expired - Lifetime JP4837898B2 (ja) | 2003-04-03 | 2004-04-02 | 磁気共鳴映像のためのコイル構造 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7075397B2 (ja) |
EP (1) | EP1464979B1 (ja) |
JP (1) | JP4837898B2 (ja) |
CN (1) | CN100359611C (ja) |
ES (1) | ES2596278T3 (ja) |
GB (1) | GB0307728D0 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2289555A1 (en) | 2009-08-24 | 2011-03-02 | OrgaNext Research B.V. | Method of treating frailty |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1843250U (de) * | 1961-03-09 | 1961-12-14 | Blaupunkt Werke Gmbh | Zeilenablenktransformator. |
JPS5679418A (en) * | 1979-11-30 | 1981-06-30 | Aichi Electric Mfg Co Ltd | Manufacture of mold coil |
US4406056A (en) * | 1981-10-02 | 1983-09-27 | Westinghouse Electric Corp. | Method of making a cellulose-free transformer coil |
DE3566185D1 (en) * | 1984-04-11 | 1988-12-15 | Sumitomo Spec Metals | Magnetic field generating device for nmr-ct |
JPH03192708A (ja) * | 1989-12-22 | 1991-08-22 | Taiyo Yuden Co Ltd | コイル用ボビンに巻線する方法 |
US5568051A (en) * | 1992-05-12 | 1996-10-22 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus having superimposed gradient coil |
JP3350143B2 (ja) * | 1992-05-12 | 2002-11-25 | 株式会社東芝 | 磁気共鳴イメージング装置 |
JP3083475B2 (ja) * | 1995-03-13 | 2000-09-04 | 日本電子株式会社 | 補正磁場発生装置 |
JPH1097919A (ja) * | 1996-09-19 | 1998-04-14 | Toshiba Corp | 超電導コイル装置 |
CO4790198A1 (es) * | 1997-08-04 | 1999-05-31 | Abb Power T And D Company Inc | Metodo y aparato para la fabricacion de una bobina electrica arrollada helicoidalmente con aislamiento variable |
JP3615024B2 (ja) * | 1997-08-04 | 2005-01-26 | 株式会社村田製作所 | コイル部品 |
US6208142B1 (en) * | 1998-12-07 | 2001-03-27 | Transurgical, Inc. | Magnetic resonance apparatus and methods with shim adjustment |
JP2001044035A (ja) * | 1999-07-30 | 2001-02-16 | Murata Mfg Co Ltd | 積層インダクタ |
US6507190B1 (en) * | 2000-08-01 | 2003-01-14 | Ge Medical Systems Global Technologies Company Llc | Method and apparatus for compensating polarizing fields in magnetic resonance imaging |
KR100815890B1 (ko) * | 2001-03-31 | 2008-03-24 | 엘지.필립스 엘시디 주식회사 | 코일 권선방법과 이를 이용하여 코일이 권선된 트랜스포머및 액정표시장치의 인버터 |
-
2003
- 2003-04-03 GB GBGB0307728.6A patent/GB0307728D0/en not_active Ceased
-
2004
- 2004-03-26 EP EP04251804.3A patent/EP1464979B1/en not_active Expired - Lifetime
- 2004-03-26 ES ES04251804.3T patent/ES2596278T3/es not_active Expired - Lifetime
- 2004-03-31 US US10/812,918 patent/US7075397B2/en not_active Expired - Lifetime
- 2004-04-02 CN CNB2004100324083A patent/CN100359611C/zh not_active Expired - Lifetime
- 2004-04-02 JP JP2004109559A patent/JP4837898B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB0307728D0 (en) | 2003-05-07 |
CN100359611C (zh) | 2008-01-02 |
ES2596278T3 (es) | 2017-01-05 |
US7075397B2 (en) | 2006-07-11 |
US20050035840A1 (en) | 2005-02-17 |
CN1536588A (zh) | 2004-10-13 |
EP1464979A1 (en) | 2004-10-06 |
JP2005028107A (ja) | 2005-02-03 |
EP1464979B1 (en) | 2016-07-27 |
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